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|  DSH 462
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| Internal wiring
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| 60335-1(ed.2)
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$ G5 L' E# f6 W' l' OStandard: IEC 60335-1:1976, 2nd Ed.
$ o1 A; N; u& r. A5 a* sSub clause: 25.13
; q- e# _* k w% ySheet No. DSH-462
4 w& G7 W& h/ ?6 ~( S' W$ N' mSubject: Internal wiring/ i# M( r* ]; O3 c" p7 q$ M+ V( s
Key words: - accessible internal conductors4 C' V5 s/ _) X6 ?
Decision taken at the 40th CTL meeting 2003
3 h7 P7 M- r* a/ WQuestion:$ C9 T3 J1 C7 g/ u6 j" }
What are the requirements for insulation of accessible internal conductors?
: Z) h ?; e: K# GRationale:# Z$ ]/ N. Z3 Z( v
See question.
( h# b6 u* w5 K- S1 ~. b) iDecision:9 z: L3 U! m& s
1) A conductor inside an appliance, which is accessible to the standard test finger shall* e { N) ?6 N& K* G+ ~
comply fully with the requirements of double or reinforced insulation unless it is a flexible
1 D: H3 U. ]$ _1 W$ Z5 n$ vcord complying with the relevant IEC Standard as specified in clause 25.
) l8 h2 ^6 |* _9 x! L2) For interconnection cords, only approved or equivalent cords shall be used.; }5 f1 o8 O+ L% t$ P
3) For conductors inside an appliance but which are accessible during a cleaning operation
5 A7 W8 N* z0 |- T; }* V+ J2 t3 S' xand which are not moved or mechanically stressed during normal use, supplementary# u9 E7 `) [, F
insulation can be provided by a single thickness of less than 1.0 mm, if it is in compliance* G. p1 M! I1 K. N
with the requirements for cable sheaths in 22.21 and withstands the electric strength test of5 t% Q1 c4 d* [/ l2 f' h X
16.4.
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发表于 2012-9-12 13:57
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